Home / 7,798.40-11,696.66-2,176.48

Finding the Fourth Proportional to 7,798.40, 11,696.66 and 2,176.48

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Solution

The fourth proportional to 7,798.40, 11,696.66 and 2,176.48 is: 3,264.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,798.40 : 11,696.66 = 2,176.48 : x
  2. Step 2: Convert to fraction form
    7,798.40/11,696.66 = 2,176.48/x
  3. Step 3: Cross multiply
    7,798.40x = 11,696.66 × 2,176.48
  4. Step 4: Simplify right side
    7,798.40x = 25,457,546.56
  5. Step 5: Solve for x
    x = 25,457,546.56/7,798.40
  6. Step 6: Final answer
    x = 3,264.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.